Office



July 21, `1925. .1,547,031

' y C.R.COLEMAN AUTOMOBILE RADIATOR Filed Feb. 28. 1924 Patented July 2l, 1925.

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AUTOMOBILE RADIQATR.

To all whom t may concern.

le it known that l.; @Hi-mms COLEMAN, a citizen of the llnited States. residingl at Brashear, in the county of Adair7 State of lttlissouri, have invented a new andv useful automobile Radiator; and l do hereby de clare the following` to be av full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

rlhe invention relates to automobile radiators and has for its object to provide a device of this character constructed in a manner whereby upon freezingl of water therein, the radiator will expand, and consequently will not break, as is the common difficulty with automobile radiators at present constructed.

A further object is to provide the forward side of the radiator with va plate having vertical flanges formed by bending' the plate on itself thereby forming` expansible mehr bers for allowing expansion of the plate without actual breaking thereof.

A further object is to provide the radiator with transversely through which air may pass for cooling purposes, and to provide a relatively large air pipe adjacent the intake end of the radiator for insuring a maximum cooling of the water as it enters the radiator.

. A further object is to provide a pipe eX- tending throughthe radiator and connected to the exhaust manifold of an engine7 andformingr means whereby, during extreme cold weather water is prevented from freezing; within the radiator.

TWith the above and other objects in view the invention resides in the combination and arrangement of parts as hereinafter set forth, shown in the drawing described and claimed., it beine' understood that changes in the precise embodiment of the invention may be made within the scope of what is claimed without departing from the spirit of the invention.

In the drawing Figure 1 is a side elevation of a conventional form of internal combustion engine, showing a radiator in vertical longitudinal cross section.

Figure 2 is a front elevation of the radiator. i

Figure 3 is a horizontal sectional View through the upper portion of the radiator on lines 3-3 of Figure 2.

disposed pipes `ftpplication filed February 28, 1924. `terial No. 695,773.

Figure 4 is a detail perspective view of the exprnsible front plate of theradiator.`

Referring to the drawing, the numeral 1 designates the radiator of an automobile, 2 the rear plate and 3 the front plate thereof. it has been found that radiators are easily broken incident to water freezing therein and expanding, and to'obviate this difficulty the front plate 3 is provided with a plurality of vertically disposed flanges 4 preferably disposed at a right angle to the plate and formed by bending' the plate at 5 and 6, therefore it will be seen that as the water within the radiator freezes and expands, the opposite sides 7 of the flanges 4 will be forced apart. and consequently the radiator will not be broken if water should freeze therein. Extending` through the radiator 1 and through the front and rear walls thereof 1s a plurality of air pipes 8, through which pipes air passes as the automobile is moving forwardly and consequently water within the radiator is cooled. To insure the marzimum coolingV effect at the radiator discharge pipe 9. the air pipe 8EN is provided adjacent said discharge pipe, and which air pipe is considerably larger than the pipes 8, consequently the heat units of the water are more rapidly taken up and dissipated adjacent the point where the water. leaves the radi ator. which is particularly advantageous in warm weather. ln cold weather the water within the radiator 1 may be heated by a pipe 10 extending therethrough, which pipe is connected to the forwardly extending' por tion 11 of the exhaust manifold 12 of the engine 137 and consequently a' portion of the exhaust gras from the engine may be directed through the pipe 10 for heating the water in the radiator, and the `.eases may be directed through the pipe 10 by the operator manipulatina` the control rod 14, which controls the valves 15. The valves 15 are preferably disposed at right angles to each other, therefore it will be seen that upon a simultaneous movement thereof, the rear valve 15 will be partially closed7 thereby choking the exhaust gases and directing a portion thereof forwardly pass the forward valve 15 which has been partially opened, consequently the amount of gas directed through the pipe 10 may be regulated and entirely cut off when desired.

From the above it will be seen an automobile radiator is provided with means whereby a portion thereof will give or ex- Cil pand when water freezes in the radiator, that means is provided for allowing al eurrent of air to pass through the radiator through pipes with a greater amount of passage of air adjacent the intake end of the radiator where the hot water enters the saine, and is at the greatest temperature.

The invention having been set forth what is claimed as new and useful is An automobile radiator comprising a Casing, front and rear plates carried by said easing, tubular pipes extending through said front and rear plates, said front plate being provided with Hannes formed by bending the plate upon itself.

In testimony whereof I have signed my naine to this specification in the presence of two subscribing` witnesses.

CHARLES R. COLEMAN.

Witnesses z J. H. JOHNSTON, Giras. C. MARTIN. 

